possible relations include
Philon: derived from philein "to love"
Philis -->
Phyllis: Means "foliage" in Greek
Phil: a Greek element meaning "friend, dear, beloved"
philos (word): "friend" in Greek
PHILEMON: "affectionate" in Greek
PHILETUS: "beloved" in Greek
I could go on...
On the main page, by search click on advanced. When on the advanced search page type in '
Phil*' into the search area and unclick 'Search for words in meaning' and 'Search for words in description'. There is a list of names that will appear.
Most likely the name means something along the lines of 'friend, beloved, affection' etc.
~SD